Physics: Principles and Problems

Chapter 30: Nuclear Physics

Problem of the Week

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<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078458137/193800/POWproblem1.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a> Because the neutrinos were created at the top of the atmosphere, those entering the water tank from the bottom would have to have traveled farther than those coming from the top. The difference is equal to the diameter of the Earth. In traveling that distance some of the muon neutrinos changed into the tau flavor.
 
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078458137/193800/POWproblem2.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a> The USS Normandy has a weight of 9600 tons or 19 200 000 pounds. An object 20 million times smaller would weigh about one pound, like a pint of juice, or a grapefruit.
 
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